Home / 758,819.30-1,138,378.38-226,328.54

Finding the Fourth Proportional to 758,819.30, 1,138,378.38 and 226,328.54

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Solution

The fourth proportional to 758,819.30, 1,138,378.38 and 226,328.54 is: 339,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,819.30 : 1,138,378.38 = 226,328.54 : x
  2. Step 2: Convert to fraction form
    758,819.30/1,138,378.38 = 226,328.54/x
  3. Step 3: Cross multiply
    758,819.30x = 1,138,378.38 × 226,328.54
  4. Step 4: Simplify right side
    758,819.30x = 257,647,511,021.07
  5. Step 5: Solve for x
    x = 257,647,511,021.07/758,819.30
  6. Step 6: Final answer
    x = 339,537.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.